feat: 登录时同步微信头像和昵称

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

packages/server/src/auth/auth.service.ts

@@ -57,7 +57,11 @@ export class AuthService {
     @Inject(RANDOM_FN_TOKEN) private readonly randomFn: () => number = Math.random,
   ) {}
 
-  async login(code: string): Promise<LoginResult> {
+  async login(
+    code: string,
+    nickname?: string,
+    avatarUrl?: string,
+  ): Promise<LoginResult> {
     const { openid, unionid, sessionKey } =
       await this.wechatService.code2Session(code)
 
@@ -71,10 +75,23 @@ export class AuthService {
         data: {
           openid,
           ...(unionid !== undefined && { unionid }),
-          nickname: generateDefaultNickname(this.randomFn),
+          nickname: nickname || generateDefaultNickname(this.randomFn),
+          ...(avatarUrl && { avatarUrl }),
         },
       }))
 
+    // Update avatar for existing users if new avatar is provided
+    if (existingUser && avatarUrl) {
+      const updated = await this.prisma.user.update({
+        where: { id: existingUser.id },
+        data: { avatarUrl, ...(nickname && { nickname }) },
+      })
+      sessionKeyStore.set(updated.id, sessionKey)
+      const payload: JwtPayload = { sub: updated.id, role: updated.role as UserRole }
+      const token = this.jwtService.sign(payload)
+      return { token, user: updated }
+    }
+
     sessionKeyStore.set(user.id, sessionKey)
 
     const payload: JwtPayload = { sub: user.id, role: user.role as UserRole }